111220021112222 has 16 divisors (see below), whose sum is σ = 182280323944944. Its totient is φ = 50475686784000.

The previous prime is 111220021112177. The next prime is 111220021112261. The reversal of 111220021112222 is 222211120022111.

It is a junction number, because it is equal to n+sod(n) for n = 111220021112194 and 111220021112203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3943398929 + ... + 3943427132.

It is an arithmetic number, because the mean of its divisors is an integer number (11392520246559).

Almost surely, 2^{111220021112222} is an apocalyptic number.

111220021112222 is a deficient number, since it is larger than the sum of its proper divisors (71060302832722).

111220021112222 is a wasteful number, since it uses less digits than its factorization.

111220021112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7886826715.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111220021112222 its reverse (222211120022111), we get a palindrome (333431141134333).

The spelling of 111220021112222 in words is "one hundred eleven trillion, two hundred twenty billion, twenty-one million, one hundred twelve thousand, two hundred twenty-two".